@hmcts/rpx-xui-node-lib
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Common nodejs library components for XUI
89 lines • 4.22 kB
JavaScript
;
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.redisStore = exports.RedisSessionStore = void 0;
const session_constants_1 = require("../session.constants");
const express_session_1 = __importDefault(require("express-session"));
const connect_redis_1 = __importDefault(require("connect-redis"));
const redis = __importStar(require("redis"));
const sessionStore_class_1 = require("./sessionStore.class");
const express_1 = require("express");
const common_1 = require("../../common");
class RedisSessionStore extends sessionStore_class_1.SessionStore {
constructor(router = (0, express_1.Router)({ mergeParams: true }), logger = (0, common_1.getLogger)('session:redis')) {
super(session_constants_1.SESSION.REDIS_STORE_NAME, router, logger);
this.getStore = (options) => {
const tlsOptions = {
prefix: options.redisStoreOptions.redisKeyPrefix,
};
this.redisClient = redis.createClient(options.redisStoreOptions.redisCloudUrl, tlsOptions);
this.redisClientReadyListener(this.redisClient);
this.redisClientErrorListener(this.redisClient);
const redisStore = (0, connect_redis_1.default)(express_session_1.default);
return new redisStore({
client: this.redisClient,
ttl: options.redisStoreOptions.redisTtl,
});
};
// TODO: This should be a pure function. Remove side effecting on redisClient,
// listenerCount, emit and logger, when you have Redis setup on a local machine,
// ( to check that it still works )
this.redisClientReadyListener = (redisClient) => {
redisClient.on('ready', () => {
this.emitEvent(session_constants_1.SESSION.EVENT.REDIS_CLIENT_READY, redisClient);
this.logger.info('redis client connected successfully');
this.logger.info('redisClient is ', redisClient);
});
};
this.redisClientErrorListener = (redisClient) => {
redisClient.on('error', (error) => {
this.logger.error(error);
this.logger.info('redisClient is ', redisClient);
this.emitEvent(session_constants_1.SESSION.EVENT.REDIS_CLIENT_ERROR, error);
});
};
this.emitEvent = (eventName, eventObject) => {
if (this.listenerCount(session_constants_1.SESSION.EVENT.REDIS_CLIENT_READY)) {
this.emit(eventName, eventObject);
}
};
}
}
exports.RedisSessionStore = RedisSessionStore;
exports.redisStore = new RedisSessionStore();
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